m^2-7m-120=

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Solution for m^2-7m-120= equation:


Simplifying
m2 + -7m + -120 = 0

Reorder the terms:
-120 + -7m + m2 = 0

Solving
-120 + -7m + m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-8 + -1m)(15 + -1m) = 0

Subproblem 1

Set the factor '(-8 + -1m)' equal to zero and attempt to solve: Simplifying -8 + -1m = 0 Solving -8 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1m = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1m = 0 + 8 -1m = 0 + 8 Combine like terms: 0 + 8 = 8 -1m = 8 Divide each side by '-1'. m = -8 Simplifying m = -8

Subproblem 2

Set the factor '(15 + -1m)' equal to zero and attempt to solve: Simplifying 15 + -1m = 0 Solving 15 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -1m = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -1m = 0 + -15 -1m = 0 + -15 Combine like terms: 0 + -15 = -15 -1m = -15 Divide each side by '-1'. m = 15 Simplifying m = 15

Solution

m = {-8, 15}

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